RRL planning tool · Updated 9 September 2026

RRL Synthesis Matrix Template: Organize Sources Before Writing Chapter 2

A synthesis matrix turns a stack of sources into an organised map of themes, methods, findings, and gaps. Use it to plan your own Review of Related Literature—not to replace reading, evaluating, or citing the sources yourself.

Quick answer

An RRL synthesis matrix is a table that compares verified sources by the same themes or questions. Add one source per row, place themes or evidence categories in columns, then use the patterns you see to write a synthesis paragraph. It helps prevent the common mistake of summarising one author at a time.

What Is an RRL Synthesis Matrix?

A Review of Related Literature brings research into conversation. A synthesis matrix is the planning surface that makes relationships among sources visible before you draft. It helps you compare recurring concepts, methods, contexts, findings, limitations, and possible gaps instead of arranging source summaries one after another.

The matrix is private working material. It does not prove a source is credible and it does not make a citation accurate; those are separate checks you still need to perform.

RRL Synthesis Matrix Template

Copy this structure into a spreadsheet, document table, or note system. Replace every placeholder with notes from sources you have actually read and verified.

Verified sourceMethod / contextTheme A: engagementTheme B: supportLimitations or gap notes
Source A
Record author, year, DOI.
Record design, participants, and setting.Write the relevant finding in concise notes.Record evidence related to support or feedback.Note what the study does not examine.
Source B
Record author, year, DOI.
Compare its context with Source A.Does it support, qualify, or challenge the pattern?Is the theme defined differently?Note a method, population, or location difference.
Synthesis noteAcross this theme, write the pattern you can support, an important difference between studies, and the question your own research may examine next.

How to Build Your RRL Synthesis Matrix

  1. Define the question and boundaries. State the key concept, population, context, and time period your review covers.
  2. Find and verify candidate sources. Use the Academic Source Finder to locate metadata by topic, title, DOI, or author. Check relevance and source details before adding a row.
  3. Use categories that answer your question. Track theory, method, participants, findings, context, limitations, and gap notes when those categories matter to your review.
  4. Write source notes, then synthesis notes. After several rows are complete, explain the relationship among sources for each theme rather than writing a source-by-source list.

Turn Matrix Notes Into a Synthesis Paragraph

A source row is not yet an RRL paragraph. Move horizontally across one theme column and write the relationship among sources. Introduce the pattern, compare or contrast the relevant findings, state any limitation or disagreement, and explain why the pattern matters to your research question.

“Across the studies reviewed, [state the supported pattern]. In [context or method], [Source A] and [Source B] report [relationship or contrast]. However, [Source C] differs because [relevant setting, method, or limitation]. Taken together, these findings suggest [careful interpretation], while leaving [specific, evidence-based question] for further study.”

A Source-First RRL Workflow

  1. Find scholarly sources by topic, DOI, title, or author.
  2. Record accurate reference details before drafting.
  3. Organise the final reference list and check citations against it.
  4. Plan an RRL outline after you have verified your sources and matrix notes.

Frequently Asked Questions

What is the difference between an RRL example and a synthesis matrix?

An RRL example shows finished prose and structure. A synthesis matrix is the behind-the-scenes planning table that lets you compare sources before writing that prose.

Can I organise an RRL matrix by author?

Record author information in a source column, but use themes, methods, findings, contexts, or gaps as the main comparison columns so you can write synthesis rather than a list of summaries.

Can AI create my RRL synthesis matrix for me?

AI can help you structure a blank matrix or brainstorm categories, but it cannot replace reading sources, verifying details, checking citations, or making the final academic judgement.

Methodology references